Vintage Black Pinafore Long Maxi Dress - Small

Black w/ brown buttons down both sides with a square neck. Poly/viscose blend, feels like a crepey fabric. Marked sz7, but fits like a Small. Here are the approx measurements: Chest - 16.5" Waist - 16.5" Length - 54" Can be worn with/out a top underneath, but there's be some side boob action as armpit is quite big, but fitted on the right person.